Silicon Monolithic Integrated Circuit
1/4
STRUCTURE
Silicon Monolithic Integrated Circuit
NAME OF PRODUCT
DC-AC Inverter Control IC
TYPE FUNCTION
BD9275...
Description
1/4
STRUCTURE
Silicon Monolithic Integrated Circuit
NAME OF PRODUCT
DC-AC Inverter Control IC
TYPE FUNCTION
BD9275F
・Using 20V process / 1ch control with Push-Pull ・Accuracy of drive output frequency:3.5%(IC Only/Built-in CT Capacitor) ・High accuracy timer latch current(±15%) ・Built-in FAIL function ・Adjustable latch timing ・Adjustable slow start time ・Lamp current and voltage sense feedback control ・Mode-selectable the operating or stand-by mode by STB pin (Typ.=0uA )
○Absolute Maximum Ratings(Ta = 25℃)
Parameter Supply Voltage OUTPUT PIN Voltage Operating Temperature Range Storage Temperature Range Maximum Junction Temperature Power Dissipation
*1
Symbol VCC N1, N2 Topr Tstg Tjmax Pd
Limits 20 20 -40~+85 -55~+150 +150 SOP18:562*
Unit V V ℃ ℃ ℃ mW
Pd derate at -4.5mW/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.0mm×70.0mm×1.6mm)
Supply voltage Input Frequency Ratio PWM_IN PIN DRIVER frequency
VCC F_PWM_IN F_OUT
8.0 ~ 18.0 0.060~0.5 20 ~ 90
V kHz kHz
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REV. B
2/4 ○Electric Characteristics(Ta=25℃、VCC=12V、STB=3.0V)
LIMIT Item ((WHOLE DEVICE))
Operating current Stand-by current Icc1 Icc2 - - 2.0 0 4.0 20 mA μA RT=100kΩ, FB=GND, IS=1.5V VSTB=0V
SYMBOL
MIN.
TYP.
MAX.
UNIT
CONDITION
((STAND BY CONTROL) )
Stand-by voltage H Stand-by voltage L STB PIN pull down resistor VSTBH VSTBL RSTB 2 -0.3 180 375 VCC 0.8 750 V V kΩ System ON System OFF VSTB=2V
( (VCC UVLO BLOCK) ) )
Operating voltage Hesteresis width VCC_UVLO ⊿UVLO_H...
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